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Re: LiveCD wiping root partition?



Rahul Sundaram wrote:
Michel Salim wrote:


Anyway, hard lesson learned. I wonder how Ubuntu does their live CD install. openSUSE is introducing one too, hopefully for their users the same bug does not occur.

Pretty much every live cd does a dd afaik.

ubuntu 7.04 keeps their rootfs natively on squashfs (versus fedora which keeps it natively on an ext3 image which lives on a squashfs).

Therefore they can't be doing a dd for the install.

The reason for the difference is because ubuntu uses unionfs for copy-on-write, whereas fedora uses devicemapper-snapshot for copy-on-write.

-dmc


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